نتایج جستجو برای: moving griffith crack
تعداد نتایج: 129677 فیلتر نتایج به سال:
A fracture mechanics model is developed for the initiation and propagation of a crack through a porous ice layer of finite thickness under gravitational overburden. It is found that surface cracks generated in response to a tidally induced stress field may penetrate through the entire outer brittle layer if a subsurface ocean is present on Europa. Such penetration is found to be very unlikely i...
Weiqiang Chen, Suan-Sin Foo, Adam Taylor, Aleksei Lulla, Andres Merits, Linda Hueston, Mark R. Forwood, Nicole C. Walsh, Natalie A. Sims, Lara J. Herrero, Suresh Mahalingam Institute for Glycomics, Griffith University, Gold Coast, QLD, Australia; Institute of Technology, University of Tartu, Tartu, Estonia; Arbovirus Emerging Diseases Unit, Centre for Infectious Diseases and Microbiology Labora...
We review recent theoretical progress on the dynamics of brittle crack fronts and its relationship to the roughness of fracture surfaces. We discuss the possibility that the intermediate scale roughness of cracks, which is characterized by a roughness exponent approximately equal to 0.5, could be caused by the generation, during local instabilities by depinning, of diffusively broadened corruga...
It is extremely difficult to realize two conflicting properties-high hardness and toughness-in one material. Nano-polycrystalline stishovite, recently synthesized from Earth-abundant silica glass, proved to be a super-hard, ultra-tough material, which could provide sustainable supply of high-performance ceramics. Our quantum molecular dynamics simulations show that stishovite amorphizes rapidly...
Validation of AirPhysio Oscillating Positive Expiratory Pressure Device – Retail Short Paper Report Prepared by Professor Norman Morris, School of Allied Health Science and Menzies Health, Institute Griffith University Validation of AirPhysio Oscillating Positive Expiratory Pressure Device – Short Paper Report Prepared by Professor Norman Morris, School of Allied Health Science and Menzies Heal...
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